pls pomocy to na jutro to trzeba obliczyć PLSSS DAJE NAJ

P = (9 + 15) * 4 / 2 = 24 * 2 = 48 cm2
V = 48 * 8 = 384 cm3
P = 5 * 12 / 2 = 30 cm2
V = 30 * 16 = 480 cm3
P = (5 + 9) * 2 / 2 = 14 dm2
V = 14 * 3 = 42 dm3